Home / 117,890.02-176,836.85-65,631.66

Finding the Fourth Proportional to 117,890.02, 176,836.85 and 65,631.66

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Solution

The fourth proportional to 117,890.02, 176,836.85 and 65,631.66 is: 98,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,890.02 : 176,836.85 = 65,631.66 : x
  2. Step 2: Convert to fraction form
    117,890.02/176,836.85 = 65,631.66/x
  3. Step 3: Cross multiply
    117,890.02x = 176,836.85 × 65,631.66
  4. Step 4: Simplify right side
    117,890.02x = 11,606,096,014.67
  5. Step 5: Solve for x
    x = 11,606,096,014.67/117,890.02
  6. Step 6: Final answer
    x = 98,448.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.